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A146181 as a simple table

na(n)
11
21
31
41
51
61
7133
8283
92411
106513
11104581
12308359
1331267501
14125706815
1530388182025
16158816649115
1738510941635475
18255401019744941
19142458224930527429
201198142574949310095
212063515953281030710129

[1,1,1,1,1,1,133,283,2411,6513,104581,308359,
 31267501,125706815,30388182025,158816649115,
 38510941635475,255401019744941,142458224930527429,
 1198142574949310095,2063515953281030710129]